Game2048/Mover.java at master · eqsmy/Game2048 · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
import info.gridworld.grid.*;
import info.gridworld.actor.*;
import java.awt.Color;

// a Mover is an Actor that can move up and to the right
public class Mover extends Actor
{

    public Mover()
    {
        setColor(Color.RED);
    }

    /**
     * up and right are copies of the move method from Bug with the direction changed
     */
    public void up()
    {
        Grid<Actor> gr = getGrid();
        if (gr == null)
            return;
        Location loc = getLocation();
        Location next = loc.getAdjacentLocation(Location.NORTH);    // changed this line
        if (gr.isValid(next))
            moveTo(next);
        else
            removeSelfFromGrid();
    }

    public void right()
    {
        Grid<Actor> gr = getGrid();
        if (gr == null)
            return;
        Location loc = getLocation();
        Location next = loc.getAdjacentLocation(Location.EAST);        // and this one
        if (gr.isValid(next))
            moveTo(next);
        else
            removeSelfFromGrid();
    }

    public void down()
    {
        Grid<Actor> gr = getGrid();
        if (gr == null)
            return;
        Location loc = getLocation();
        Location next = loc.getAdjacentLocation(Location.SOUTH);    // changed this line
        if (gr.isValid(next))
            moveTo(next);
        else
            removeSelfFromGrid();
    }

    public void left()
    {
        Grid<Actor> gr = getGrid();
        if (gr == null)
            return;
        Location loc = getLocation();
        Location next = loc.getAdjacentLocation(Location.WEST);        // and this one
        if (gr.isValid(next))
            moveTo(next);
        else
            removeSelfFromGrid();
    }
}